PJM power plants by county

Every county in PJM with at least 3 EIA-registered power plants — 189 in total, ranked by installed nameplate capacity.

Counties
189
At least 3 plants each
Plants covered
1,792
EIA-registered records
Nameplate capacity
182.9 GW
Sum across listed counties

Counties by installed capacity

1Will County, IL7.3 GW2York County, PA6.2 GW3Lawrence County, KY4.2 GW4Northampton County, PA4.2 GW5Luzerne County, PA3.8 GW6Montgomery County, VA3.8 GW7Salem County, NJ3.7 GW8Grundy County, IL3.5 GW9Jefferson County, IN3.3 GW10Putnam County, WV3.2 GW11Prince Georges County, MD3.1 GW12Middlesex County, VA3.1 GW13Louisa County, VA2.9 GW14Mason County, KY2.9 GW15LaSalle County, IL2.8 GW16Warren County, NJ2.6 GW17Armstrong County, PA2.6 GW18Indiana County, PA2.6 GW19Surry County, VA2.5 GW20Ogle County, IL2.5 GW21Delaware County, PA2.5 GW22Union County, PA2.4 GW23Berrien County, MI2.3 GW24Lee County, IL2.3 GW25Halifax County, NC2.3 GW26Beaver County, PA2.2 GW27Anne Arundel County, MD2.2 GW28Washington County, NC2.2 GW29New Castle County, DE2.1 GW30Greensville County, VA2.1 GW31Butler County, OH2.1 GW32Grant County, IN2.1 GW33Bucks County, PA2 GW34Monongalia County, WV2 GW35Trumbull County, OH2 GW36Lake County, IL2 GW37Cecil County, MD1.9 GW38Lancaster County, PA1.8 GW39Pleasants County, WV1.8 GW40Tazewell County, IL1.8 GW41Marshall County, WV1.7 GW42Lackawanna County, PA1.6 GW43Bergen County, NJ1.4 GW44Cambria County, PA1.3 GW45Gloucester County, VA1.3 GW46Berks County, PA1.3 GW47Fauquier County, VA1.3 GW48Wayne County, IN1.3 GW49Cook County, IL1.3 GW50Kendall County, IL1.3 GW51Lucas County, OH1.3 GW52Hamilton County, OH1.2 GW53Westmoreland County, PA1.2 GW54Snyder County, PA1.2 GW55Madison County, IN1.2 GW56Allegheny County, PA1.1 GW57Clark County, IL1.1 GW58DuPage County, IL1.1 GW59Harford County, MD1.1 GW60Adams County, PA1.1 GW61Charles County, MD1.1 GW62St Joseph County, IN1 GW63Fluvanna County, VA1 GW64Wood County, OH962.8 MW65Bradford County, PA962.4 MW66Fayette County, WV952.7 MW67Lycoming County, PA948.9 MW68Van Wert County, OH903.2 MW69Carroll County, VA898.5 MW70Livingston County, IL889.9 MW71Essex County, VA885.2 MW72Randolph County, IN850 MW73Pittsylvania County, VA846 MW74Prince William County, VA785.8 MW75Boone County, KY783.9 MW76Lebanon County, PA783.8 MW77Pickaway County, OH764 MW78Sandusky County, OH759.5 MW79Logan County, IL707.2 MW80Kent County, DE673.3 MW81Highland County, OH673 MW82Henry County, OH670.4 MW83Clearfield County, PA666 MW84Bureau County, IL655.4 MW85Somerset County, NJ641.1 MW86Hudson County, NJ637.1 MW87McLean County, IL629.9 MW88Cumberland County, NJ622.8 MW89Hardin County, OH621.4 MW90Hunterdon County, NJ614.3 MW91White County, IN611.2 MW92Buckingham County, VA598.8 MW93Ocean County, NJ592.2 MW94Prince George County, VA586.7 MW95Lorain County, OH576.1 MW96Ross County, OH571.1 MW97Philadelphia County, PA555.9 MW98Monroe County, PA544.6 MW99Winnebago County, IL511.2 MW100Chesterfield County, VA503.9 MW101Franklin County, OH502 MW102Spotsylvania County, VA500 MW103Paulding County, OH493.6 MW104Accomack County, VA489.2 MW105Mecklenburg County, VA486.7 MW106Kane County, IL435.7 MW107Pulaski County, KY430.2 MW108Burlington County, NJ429 MW109Venango County, PA409.2 MW110Henrico County, VA398.4 MW111Schuylkill County, PA363.4 MW112Isle of Wight County, VA337.1 MW113Garrett County, MD328.2 MW114Martin County, NC327 MW115Frederick County, MD310.1 MW116Charles City, VA309.4 MW117Camden County, NJ302.6 MW118Wyoming County, PA283 MW119Edgecombe County, NC281.5 MW120Jay County, IN273 MW121DeKalb County, IN270.4 MW122Currituck County, NC262.4 MW123Dorchester County, MD260.4 MW124Perquimans County, NC259.2 MW125Sussex County, VA258.9 MW126Chesapeake City, VA255 MW127Stephenson County, IL253.3 MW128Blair County, PA252.1 MW129Darke County, OH247.7 MW130Kankakee County, IL215.8 MW131Richmond County, VA214.8 MW132Marion County, WV213.5 MW133Chowan County, NC211.4 MW134Hertford County, NC202.5 MW135Greenbrier County, WV188.2 MW136Southampton County, VA177.5 MW137Campbell County, VA176.1 MW138Baltimore City, MD173.1 MW139Crawford County, OH171.9 MW140Queen Annes County, MD166.8 MW141Erie County, PA156.1 MW142Cuyahoga County, OH136.2 MW143Mercer County, IL135.4 MW144Williams County, OH134.6 MW145Fairfax County, VA133.2 MW146Monmouth County, NJ133 MW147Northumberland County, PA132.3 MW148King William County, VA126 MW149Tioga County, PA125.6 MW150Powhatan County, VA120 MW151Carbon County, PA119.5 MW152Elkhart County, IN108.2 MW153Rockingham County, VA85.8 MW154District of Columbia County, DC72.2 MW155Talbot County, MD71.4 MW156Morris County, NJ69.8 MW157Chester County, PA64.6 MW158Clinton County, IL63.9 MW159Atlantic County, NJ57.6 MW160McHenry County, IL57.6 MW161Nash County, NC52.9 MW162Miami County, OH50.7 MW163Suffolk City, VA50 MW164Howard County, MD45.1 MW165Bertie County, NC45 MW166Pasquotank County, NC43.1 MW167Baltimore County, MD38.9 MW168Medina County, OH35.9 MW169Passaic County, NJ27.9 MW170Wicomico County, MD26 MW171Amelia County, VA24.4 MW172Worcester County, MD24 MW173Richland County, OH23.9 MW174Hancock County, OH23 MW175Centre County, PA22.5 MW176Bedford County, VA20.7 MW177Summit County, OH20 MW178Whiteside County, IL20 MW179Auglaize County, OH17.5 MW180Dekalb County, IN15 MW181Gates County, NC15 MW182Shelby County, OH14.2 MW183Wyandot County, OH12.8 MW184Pitt County, NC12 MW185Prince Edward County, VA10 MW186Lehigh County, PA7.8 MW187Peoria County, IL6 MW188Kenton County, KY5.3 MW189Cape May County, NJ3.6 MW

County and state assignment come from the EIA generator inventory. Counties below the 3-plant threshold are covered on the full asset directory.